Which of these is likely to result in a competitive relationship?
a)organisms that use the same resource
b)organisms that are classified in the same phylum
c) organisms that live in different ecosystems
d) organisms that live in the same area

The correct answer is option A. "organisms that use the same resource". In Biology, a competitive relationship is defined by an interaction of organisms or species where all the indivuals are at risk for some reason. Organisms that use the same resource would led to this kind of relationship, as the lack of the resource is harmful for all the organisms involved.

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions